<template>
  <div class="checkout-address">
    <div class="text">
      <div v-if="!showAddress" class="none">您需要先添加收货地址才可提交订单。</div>
      <ul v-if="showAddress">
        <li><span>收<i />货<i />人: </span>{{showAddress.receiver}}</li>
        <li><span>联系方式: </span>{{showAddress.contact}}</li>
        <li><span>收货地址: </span>{{showAddress.fullLocation.replace(/ /g,'')+showAddress.address}}</li>
      </ul>
      <a @click="openAddressEdit(showAddress)" v-if="showAddress" href="javascript:;">修改地址</a>
    </div>
    <div class="action">
      <xtx-button @click="openDialog()" class="btn">切换地址</xtx-button>
      <xtx-button @click="openAddressEdit()" class="btn">添加地址</xtx-button>
    </div>
  </div>
  <xtx-dialog v-model:visible="dialogVisible" title="切换收货地址">
    <div class="text item" :class="{active:selectedAddress&&item.id===selectedAddress.id}" @click="selectedAddress=item" v-for="item in list" :key="item.id">
      <ul>
        <li><span>收<i />货<i />人: </span>{{showAddress.receiver}}</li>
        <li><span>联系方式: </span>{{showAddress.contact}}</li>
        <li><span>收货地址: </span>{{showAddress.fullLocation.replace(/ /g,'')+showAddress.address}}</li>
      </ul>
    </div>
    <template v-slot:footer>
      <xtx-button @click="dialogVisible=false" type="gray" style="margin-right: 20px">取消</xtx-button>
      <xtx-button @click="confirmAddress()" type="primary">确认</xtx-button>
    </template>
  </xtx-dialog>
  <address-edit ref="addressEdit" @on-success="successHandler" />
</template>

<script>
import { ref } from 'vue'
import AddressEdit from './address-edit.vue'
export default {
  name: 'CheckoutAddress',
  components: { AddressEdit },
  props: {
    list: {
      type: Array,
      default: () => []
    }
  },
  emits: ['change'],
  setup (props, { emit }) {
    // 显示的地址
    const showAddress = ref(null)
    const defaultAdress = props.list.find(item => item.isDefault === 0)

    if (defaultAdress) {
      showAddress.value = defaultAdress
    } else {
      if (props.list.length) {
        // eslint-disable-next-line vue/no-setup-props-destructure
        showAddress.value = props.list[0]
      }
    }

    emit('change', showAddress.value && showAddress.value.id)

    // 对话框显示隐藏
    const dialogVisible = ref(false)
    // 打开对话框
    const openDialog = () => {
      dialogVisible.value = true
      selectedAddress.value = null
    }

    // 确认地址
    const confirmAddress = () => {
      dialogVisible.value = false
      showAddress.value = selectedAddress.value
      // 默认通知一个地址id给父组件
      emit('change', showAddress.value?.id)
    }

    // 选择的地址
    const selectedAddress = ref(null)

    // 添加收货地址组件
    const addressEdit = ref(null)
    const openAddressEdit = (address) => {
      addressEdit.value.open(address)
    }

    // 成功
    const successHandler = formData => {
      const editAddress = props.list.find(item => item.id === formData.id)
      if (editAddress) {
        // 修改
        for (const key in editAddress) {
          editAddress[key] = formData[key]
        }
      } else {
        const json = JSON.stringify(formData)
        // eslint-disable-next-line vue/no-mutating-props
        props.list.unshift(JSON.parse(json))
      }
    }
    return { showAddress, dialogVisible, selectedAddress, openDialog, confirmAddress, addressEdit, openAddressEdit, successHandler }
  }
}
</script>

<style scoped lang="less">
.checkout-address {
  border: 1px solid #f5f5f5;
  display: flex;
  align-items: center;
  .text {
    flex: 1;
    min-height: 90px;
    display: flex;
    align-items: center;
    .none {
      line-height: 90px;
      color: #999;
      text-align: center;
      width: 100%;
    }
    > ul {
      flex: 1;
      padding: 20px;
      li {
        line-height: 30px;
        span {
          color: #999;
          margin-right: 5px;
          > i {
            width: 0.5em;
            display: inline-block;
          }
        }
      }
    }
    > a {
      color: @xtxColor;
      width: 160px;
      text-align: center;
      height: 90px;
      line-height: 90px;
      border-right: 1px solid #f5f5f5;
    }
  }
  .action {
    width: 420px;
    text-align: center;
    .btn {
      width: 140px;
      height: 46px;
      line-height: 44px;
      font-size: 14px;
      &:first-child {
        margin-right: 10px;
      }
    }
  }
}
.xtx-dialog {
  .text {
    flex: 1;
    min-height: 90px;
    display: flex;
    align-items: center;
    &.item {
      border: 1px solid #f5f5f5;
      margin-bottom: 10px;
      cursor: pointer;
      &.active,&:hover {
        border-color: @xtxColor;
        background: lighten(@xtxColor,50%);
      }
      > ul {
        padding: 10px;
        font-size: 14px;
        line-height: 30px;
      }
    }
  }
}
</style>
